WGU D440 OA Practice Exam – Health and
Nutrition | Latest Update 2026 | Exam Prep
PDF | Graded A+
Nutrition - correct answerThe intake of food, considered in relation to the body's dietary
needs
Nutrition Science - correct answerThe study of the effects of food components on the
metabolism, health, performance, and disease resistance of human beings and animals
Dietetics - correct answerThe use of evidence-based practices in the area of food and
nutrition to improve and maintain good health
Registered Dietitian Nutritionist (RDN) - correct answerFood and nutrition expert who
has met specific academic and training criteria to earn the nationally accredited RDN
license
Health - correct answerA state of complete physical, mental, and social well-being and
not merely the absence of disease or infirmity
Wellness - correct answerFull potential development for all people within their
environments.
Balance between activities and goals (e.g., play and work)
Health Promotion - correct answerThe process of enabling people to increase control
over and improve their health
Essential Nutrients - correct answerNutrients that the body cannot synthesize on its
own—or not in an adequate amount—and must be provided by the diet. They are
necessary for the body to function properly.
What are the SIX Essential Nutrients? - correct answer1) Carbohydrates
2) Protein
3) Fat
4) Vitamins
5) Minerals
6) Water
Nonessential Nutrients - correct answerNutrients that are made naturally in the body.
They can also be absorbed through certain foods. Even though they are referred to as
nonessential, they are still important in maintaining health.
, Name 2 examples of Nonessential Nutrients - correct answer1) Nonessential Amino
Acids
2) Cholesterol
Energy-yielding Nutrients
aka: ?? - correct answerNutrients that provide the body with energy that is measured in
calories.
aka: Macronutrients; because they are required by the body in large quantities relative
to micronutrient requirements (e.g., vitamins and minerals).
Name 3 examples of Energy-yielding Nutrients - correct answer1) Carbohydrates 2)
Fats
3) Proteins
Nutrient Density - correct answerRefers to how many nutrients are present in a food,
given the number of calories it contains. It is a simple way to connect nutrients with
calories.
Name examples of Nutrient-rich (or nutrient-dense) foods - correct answerVegetables,
fruits, whole grains, seafood, eggs, beans and peas, unsalted nuts and seeds, fat-free
and low-fat dairy products, and lean meats and poultry.
Name examples of foods that are NOT nutrient dense
What are "empty calories"? - correct answerCookies, soda, French fries, and processed
meats. Some of these foods may contain important nutrients, but the overall quantity of
nutrients per calorie is low.
Empty Calories are foods that provide calories but no nutrients (e.g soda)
Signs of good nutrition include:
(hint: there are 3 listed) - correct answer1) Smooth skin
2) Clear and bright eyes
3) Resistance to infection
Personal Wellness - correct answerA positive dynamic state that motivates a person to
seek a higher level of functioning, includes all aspects of a person's life.
Wellness is supported by balanced nutrition
Nutritional Status - correct answerMeasures and describes how well nutrient needs are
being met.
Nutrition | Latest Update 2026 | Exam Prep
PDF | Graded A+
Nutrition - correct answerThe intake of food, considered in relation to the body's dietary
needs
Nutrition Science - correct answerThe study of the effects of food components on the
metabolism, health, performance, and disease resistance of human beings and animals
Dietetics - correct answerThe use of evidence-based practices in the area of food and
nutrition to improve and maintain good health
Registered Dietitian Nutritionist (RDN) - correct answerFood and nutrition expert who
has met specific academic and training criteria to earn the nationally accredited RDN
license
Health - correct answerA state of complete physical, mental, and social well-being and
not merely the absence of disease or infirmity
Wellness - correct answerFull potential development for all people within their
environments.
Balance between activities and goals (e.g., play and work)
Health Promotion - correct answerThe process of enabling people to increase control
over and improve their health
Essential Nutrients - correct answerNutrients that the body cannot synthesize on its
own—or not in an adequate amount—and must be provided by the diet. They are
necessary for the body to function properly.
What are the SIX Essential Nutrients? - correct answer1) Carbohydrates
2) Protein
3) Fat
4) Vitamins
5) Minerals
6) Water
Nonessential Nutrients - correct answerNutrients that are made naturally in the body.
They can also be absorbed through certain foods. Even though they are referred to as
nonessential, they are still important in maintaining health.
, Name 2 examples of Nonessential Nutrients - correct answer1) Nonessential Amino
Acids
2) Cholesterol
Energy-yielding Nutrients
aka: ?? - correct answerNutrients that provide the body with energy that is measured in
calories.
aka: Macronutrients; because they are required by the body in large quantities relative
to micronutrient requirements (e.g., vitamins and minerals).
Name 3 examples of Energy-yielding Nutrients - correct answer1) Carbohydrates 2)
Fats
3) Proteins
Nutrient Density - correct answerRefers to how many nutrients are present in a food,
given the number of calories it contains. It is a simple way to connect nutrients with
calories.
Name examples of Nutrient-rich (or nutrient-dense) foods - correct answerVegetables,
fruits, whole grains, seafood, eggs, beans and peas, unsalted nuts and seeds, fat-free
and low-fat dairy products, and lean meats and poultry.
Name examples of foods that are NOT nutrient dense
What are "empty calories"? - correct answerCookies, soda, French fries, and processed
meats. Some of these foods may contain important nutrients, but the overall quantity of
nutrients per calorie is low.
Empty Calories are foods that provide calories but no nutrients (e.g soda)
Signs of good nutrition include:
(hint: there are 3 listed) - correct answer1) Smooth skin
2) Clear and bright eyes
3) Resistance to infection
Personal Wellness - correct answerA positive dynamic state that motivates a person to
seek a higher level of functioning, includes all aspects of a person's life.
Wellness is supported by balanced nutrition
Nutritional Status - correct answerMeasures and describes how well nutrient needs are
being met.
